Varian, Analytical Instrument Division,

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  • The NMR system that produced all the spectra on this page costs less than $40,000.

    19F NMR analysis is applicable to isomeric

    mixtures such as shown in this spectrum of

    l,l,2-trifluoro-2-chloro-3-vinylcyclobutane.

    Peaks marked A are of one of the two isomers.

    31 NMR can be used to analyze pesticides and other phosphorus- containing chemicals such as trimethylphosphite (spectrum shown).

    1H NMR analysis of acetyl acetone at -19C, +40C, and+100 C shows the temperature dependence of this keto/enol equilibrium.

    The multi-nucleus, easy-to-use, under-$40,000,

    T-60 NMR spectrometer system. You get back a lot

    more than you put in.

    varian analytical instrument division

    For details, or to arrange for a demonstration, write to Varian, Analytical Instrument Division, 611 Hansen Way, Palo Alto, California 94303 Circle No. 171 on Readers' Service Card

    84 A ANALYTICAL CHEMISTRY, VOL. 42, NO. 14, DECEMBER 1970

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